User`s guide

Examples
The following command defines the welcome message.
SYST:COMM:LAN:TELN:WMES "Welcome to 3441xA Telnet Session"
The following query returns the welcome message currently being used (the
quotes are also returned).
SYST:COMM:LAN:TELN:WMES?
Typical Response: "Welcome to 3441xA Telnet Session"